"1943-07-20Z"^^ . "G. Seth Shostak"@en . "2754647" . "Seth Shostak (born July 20, 1943) is an American astronomer, currently Senior Astronomer and Director, Center for SETI research."@en . "Shostak, Seth"@en . . . . "Astronomer" . . . . . . "1943Z"^^ . . .